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Natasha2012 [34]
2 years ago
9

SUBTRACTION: EXPRESS THE ANSWER IN STANDARD FORM (-5x^2 + x + 1) - (x^3 + 6x^2 - 4x)

Mathematics
1 answer:
svp [43]2 years ago
8 0

Answer:

-x³ - 11x² + 5x + 1

Step-by-step explanation:

In case you cant read it it says: -x^3 - -11x^2 + 5x + 1

Hope this helps!

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If x = 8 units, y = 3 units, and h = 10 units, find the area of the trapezoid shown above using decomposition.
kondaur [170]
If by decomposition you mean breaking it ino parts then

break it itno 2 triangles and 1 rectangle

left to right

triangle with base y and height h
h=10
y=3
area of traignel=1/2bh
aera=1/2(10)(3)
area=5(3)
area=15

rectangel of legnth x and height h
area=legnth timwe width
x=8
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area=8 times 10
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last triangle
should be same as other sinces same base (y) and same height (h)
15

add
15+80+15=120
8 0
3 years ago
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Which of the following sets of ordered pairs does not define a function? {(−1,4),(0,4),(1,4),(2,4),(3,4)} { ( − 1 , 4 ) , ( 0 ,
Novay_Z [31]

Step-by-step explanation:

5 is not function because an x cannot map on 2 different y's

6 0
3 years ago
Evaluate the expression 4+−4√2+−1√ and write the result in the form a+bi.
castortr0y [4]

In the expression, the real number a equals 12 and the real number b equals -16.

<h3>How to explain the information?</h3>

It should be noted that the expression given is:

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Therefore, we need to expand the expression. This will be:

= (4 - 2i)(4 - 2i)

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= 16 - 16i + 4(-1)

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Therefore, the value of the expression is 12 - 16i.

Learn more about expressions on:

brainly.com/question/723406

#SPJ1

Evaluate the expression ( 4 − 2 i )² and write the result in the form a + b i.

8 0
2 years ago
Find y, if x = 60.<br> A) 30° <br> B) 35° <br> C) 40° <br> D) 45°
MArishka [77]
The answer is 30°.
Rule: All three sides must add up to 180
°. 
Since A=60 and the side vertical to the angle which is 90° then side C would be C=90° and that adds up to 150°, so you can conclude that angle B is 30°.
I hope I helped!
7 0
3 years ago
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What is the surface area of this rectangular prism?
stira [4]

i think the answer is A.

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3 years ago
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